4 ms·

1024 instructions? At that point I'd probably just use assembly. At that size, it would still be manageable. Hmm, maybe that's the fundamental difference in th

by lieks 3y ago

1024 instructions? At that point I'd probably just use assembly. At that size, it would still be manageable. Hmm, maybe that's the fundamental difference in thinking; the people I'm thinking of would reach for the simplest tool that can feasibly handle the job, even if it's somewhat harder to use.

bombela 3y ago
In those 1024 instructions I was able to fit a decoder for standard 433Mhz remotes control, with learning of remotes (stored in EPROM), a button, a rotary encoder input, and a dozen led outputs through a 16 bit shift register. It also controls a digital potentiometer. Used to adjust a power supply output voltage driving a 20 meter LEDs string. I am sure a pure assembly implementation would have saved some room in the FLASH, but the generated machine code wasn't that bad for what I can tell with my limited experience anyways. And it sure was nice to write it in Rust. Except a codegen bug in the version of Rust at the time ;) That one was painful!